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Dynamic of composite nanobeams resting on an elastic substrate with variable stiffness
Faculty
Engineering
Year:
2024
Type of Publication:
ZU Hosted
Pages:
e40168
Authors:
Mohammed Abdelmoniem Mohamed Eltaher
Staff Zu Site
Abstract In Staff Site
Journal:
Heliyon Cell
Volume:
10
Keywords :
Dynamic , composite nanobeams resting , , elastic substrate with
Abstract:
This study introduces a novel approach by combining finite simulation and an enhanced shear deformation theory to analyze the dynamic behavior of multi-layer composite nanobeams supported by an elastic foundation. The calculation formulae are derived from nonlocal theory in order to account for the impact of size effect. An intriguing aspect of this research is the presence of intricate curved profiles in the two material layers of the beam. The elastic foundation exhibits varying stiffness throughout the beam’s length, accounting for many imperfections in the beam and including the drag parameter of the material. These elements contribute to the steady evolution of the issue model towards more realistic structures. Nevertheless, the computation gets intricate and impedes the precise approach. However, our work has successfully resolved this difficult and significant difficulty using the two-node element. This research demonstrates the temporal evolution of the dynamic reactions of the point with the greatest displacement and velocity, as dictated by the law of change. Simultaneously, it also presents visual representations of every point on the beam as it undergoes temporal variations. These conclusions possess both scientific and practical value, establishing a foundation for real-world implementations.
Author Related Publications
Mohammed Abdelmoniem Mohamed Eltaher , "Vibrations and stress analysis of rotating perforated beams by using finite elements method", Techno-Press, Ltd., 2021
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Mohammed Abdelmoniem Mohamed Eltaher , "Free vibration of porous FG nonlocal modified couple nanobeams via a modified porosity model", Techno press, 2021
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Mohammed Abdelmoniem Mohamed Eltaher , "Vibration of nonlinear graduation of nano-Timoshenko beam considering the neutral axis position", ScienceDirect, 2014
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Mohammed Abdelmoniem Mohamed Eltaher , "Surface and thermal load effects on the buckling of curved nanowires", Sciencedirect, 2014
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Mohammed Abdelmoniem Mohamed Eltaher , "Modeling of viscoelastic contact-impact problems", journal homepage: www.elsevier.com/locate/apm, 2009
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Department Related Publications
Mohammed Adly AttiaIbrahiem , "On bending, buckling and free vibration analysis of 2D-FG tapered Timoshenko nanobeams based on modified couple stress and surface energy theories", Taylor & Francis, 2021
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Abdallah Mahmoud Bayoumi Kabel, "Nominal strength of quasi-brittle open hole specimens under biaxial loading conditions", SciVerse ScienceDirect, 2013
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Mohammed Adly AttiaIbrahiem , "Finite element modeling of large deformation viscoelastic frictional contact systems", Faculty of Engineering, Cairo University, 2012
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Mohammed Abdelmoniem Mohamed Eltaher , "Analysis of size-dependent mechanical properties of CNTs mass sensor using energy equivalent model", www.elsevier.com, 2016
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Mohamed Ali Elsayed Mohamed Agwa , "Effective Damage Indicator for Aluminum Alloy (AA6082Zr) Processed by ECAE", The American Society of Mechanical Engineers, 2018
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